/Engine/Source/Runtime/MovieScene/Public/IMovieScenePlaybackClient.h
Warp the time range right before we evaluate This gives clients an opportunity to apply time-warping effects without manipulating the actual user-facing playback position
virtual void WarpEvaluationRange ( [FMovieSceneEvaluationRange](API\Runtime\MovieScene\Evaluation\FMovieSceneEvaluationRange) & InOutRange ) const